11 files changed, 147 insertions, 63 deletions
diff --git a/phpBB/language/en/acp/attachments.php b/phpBB/language/en/acp/attachments.php
index cf2f0a45d2..123c35a502 100644
--- a/phpBB/language/en/acp/attachments.php
+++ b/phpBB/language/en/acp/attachments.php
@@ -70,9 +70,6 @@ $lang = array_merge($lang, array(
 
 	'CAT_FLASH_FILES'			=> 'Flash files',
 	'CAT_IMAGES'				=> 'Images',
-	'CAT_QUICKTIME_FILES'		=> 'Quicktime media files',
-	'CAT_RM_FILES'				=> 'RealMedia media files',
-	'CAT_WM_FILES'				=> 'Windows Media media files',
 	'CHECK_CONTENT'				=> 'Check attachment files',
 	'CHECK_CONTENT_EXPLAIN'		=> 'Some browsers can be tricked to assume an incorrect mimetype for uploaded files. This option ensures that such files likely to cause this are rejected.',
 	'CREATE_GROUP'				=> 'Create new group',
@@ -105,9 +102,6 @@ $lang = array_merge($lang, array(
 	'EXT_GROUP_FLASH_FILES'			=> 'Flash Files',
 	'EXT_GROUP_IMAGES'				=> 'Images',
 	'EXT_GROUP_PLAIN_TEXT'			=> 'Plain Text',
-	'EXT_GROUP_QUICKTIME_MEDIA'		=> 'Quicktime Media',
-	'EXT_GROUP_REAL_MEDIA'			=> 'Real Media',
-	'EXT_GROUP_WINDOWS_MEDIA'		=> 'Windows Media',
 
 	'FILES_GONE'			=> 'Some of the attachments you selected for deletion do not exist. They may have been already deleted. Attachments that did exist were deleted.',
 	'FILES_STATS_WRONG'		=> 'Your file statistics are likely inaccurate and need to be resynchronised. Actual values: number of attachments = %1$d, total size of attachments = %2$s.<br />Click %3$shere%4$s to resynchronise them.',
@@ -117,7 +111,7 @@ $lang = array_merge($lang, array(
 
 	'IMAGE_LINK_SIZE'			=> 'Image link dimensions',
 	'IMAGE_LINK_SIZE_EXPLAIN'	=> 'Display image attachment as an inline text link if image is larger than this. To disable this behaviour, set the values to 0px by 0px.',
-	'IMAGICK_PATH'				=> 'Imagemagick path',
+	'IMAGICK_PATH'				=> 'ImageMagick path',
 	'IMAGICK_PATH_EXPLAIN'		=> 'Full path to the imagemagick convert application, e.g. <samp>/usr/bin/</samp>.',
 
 	'MAX_ATTACHMENTS'				=> 'Maximum number of attachments per post',
@@ -125,7 +119,7 @@ $lang = array_merge($lang, array(
 	'MAX_EXTGROUP_FILESIZE'			=> 'Maximum file size',
 	'MAX_IMAGE_SIZE'				=> 'Maximum image dimensions',
 	'MAX_IMAGE_SIZE_EXPLAIN'		=> 'Maximum size of image attachments. Set both values to 0px by 0px to disable dimension checking.',
-	'MAX_THUMB_WIDTH'				=> 'Maximum thumbnail width in pixel',
+	'MAX_THUMB_WIDTH'				=> 'Maximum thumbnail width/height in pixel',
 	'MAX_THUMB_WIDTH_EXPLAIN'		=> 'A generated thumbnail will not exceed the width set here.',
 	'MIN_THUMB_FILESIZE'			=> 'Minimum thumbnail file size',
 	'MIN_THUMB_FILESIZE_EXPLAIN'	=> 'Do not create a thumbnail for images smaller than this.',
@@ -153,7 +147,7 @@ $lang = array_merge($lang, array(
 	'REMOVE_DISALLOWED_IPS'			=> 'Remove or un-exclude <em>disallowed</em> IPs/hostnames',
 	'RESYNC_FILES_STATS_CONFIRM'	=> 'Are you sure you wish to resynchronise file statistics?',
 
-	'SEARCH_IMAGICK'				=> 'Search for Imagemagick',
+	'SEARCH_IMAGICK'				=> 'Search for ImageMagick',
 	'SECURE_ALLOW_DENY'				=> 'Allow/Deny list',
 	'SECURE_ALLOW_DENY_EXPLAIN'		=> 'Change the default behaviour when secure downloads are enabled of the Allow/Deny list to that of a <strong>whitelist</strong> (Allow) or a <strong>blacklist</strong> (Deny).',
 	'SECURE_DOWNLOADS'				=> 'Enable secure downloads',
diff --git a/phpBB/language/en/acp/board.php b/phpBB/language/en/acp/board.php
index 8d6c1c141d..76982be098 100644
--- a/phpBB/language/en/acp/board.php
+++ b/phpBB/language/en/acp/board.php
@@ -99,6 +99,7 @@ $lang = array_merge($lang, array(
 	'ALLOW_TOPIC_NOTIFY'		=> 'Allow subscribing to topics',
 	'BOARD_PM'					=> 'Private messaging',
 	'BOARD_PM_EXPLAIN'			=> 'Enable private messaging for all users.',
+	'ALLOW_BOARD_NOTIFICATIONS' => 'Allow board notifications',
 ));
 
 // Avatar Settings
@@ -106,7 +107,7 @@ $lang = array_merge($lang, array(
 	'ACP_AVATAR_SETTINGS_EXPLAIN'	=> 'Avatars are generally small, unique images a user can associate with themselves. Depending on the style they are usually displayed below the username when viewing topics. Here you can determine how users can define their avatars. Please note that in order to upload avatars you need to have created the directory you name below and ensure it can be written to by the web server. Please also note that file size limits are only imposed on uploaded avatars, they do not apply to remotely linked images.',
 
 	'ALLOW_AVATARS'					=> 'Enable avatars',
-	'ALLOW_AVATARS_EXPLAIN'			=> 'Allow general usage of avatars;<br />If you disable avatars in general or avatars of a certain mode, the disabled avatars will no longer be shown on the board, but users will still be able to download their own avatars in the User Control Panel.',
+	'ALLOW_AVATARS_EXPLAIN'			=> 'Allow general usage of avatars;<br>If you disable avatars in general or avatars of a certain mode, the disabled avatars will no longer be shown on the board, but users will still be able to download their own avatars in the User Control Panel.',
 	'ALLOW_GRAVATAR'				=> 'Enable gravatar avatars',
 	'ALLOW_LOCAL'					=> 'Enable gallery avatars',
 	'ALLOW_REMOTE'					=> 'Enable remote avatars',
@@ -115,9 +116,9 @@ $lang = array_merge($lang, array(
 	'ALLOW_REMOTE_UPLOAD_EXPLAIN'	=> 'Allow uploading of avatars from another website.',
 	'ALLOW_UPLOAD'					=> 'Enable avatar uploading',
 	'AVATAR_GALLERY_PATH'			=> 'Avatar gallery path',
-	'AVATAR_GALLERY_PATH_EXPLAIN'	=> 'Path under your phpBB root directory for pre-loaded images, e.g. <samp>images/avatars/gallery</samp>.<br />Double dots like <samp>../</samp> will be stripped from the path for security reasons.',
+	'AVATAR_GALLERY_PATH_EXPLAIN'	=> 'Path under your phpBB root directory for pre-loaded images, e.g. <samp>images/avatars/gallery</samp>.<br>Double dots like <samp>../</samp> will be stripped from the path for security reasons.',
 	'AVATAR_STORAGE_PATH'			=> 'Avatar storage path',
-	'AVATAR_STORAGE_PATH_EXPLAIN'	=> 'Path under your phpBB root directory, e.g. <samp>images/avatars/upload</samp>.<br />Avatar uploading <strong>will not be available</strong> if this path is not writable.<br />Double dots like <samp>../</samp> will be stripped from the path for security reasons.',
+	'AVATAR_STORAGE_PATH_EXPLAIN'	=> 'Path under your phpBB root directory, e.g. <samp>images/avatars/upload</samp>.<br>Avatar uploading <strong>will not be available</strong> if this path is not writable.<br>Double dots like <samp>../</samp> will be stripped from the path for security reasons.',
 	'MAX_AVATAR_SIZE'				=> 'Maximum avatar dimensions',
 	'MAX_AVATAR_SIZE_EXPLAIN'		=> 'Width x Height in pixels.',
 	'MAX_FILESIZE'					=> 'Maximum avatar file size',
@@ -160,6 +161,8 @@ $lang = array_merge($lang, array(
 	'ACP_POST_SETTINGS_EXPLAIN'			=> 'Here you can set all default settings for posting.',
 	'ALLOW_POST_LINKS'					=> 'Allow links in posts/private messages',
 	'ALLOW_POST_LINKS_EXPLAIN'			=> 'If disallowed the <code>[URL]</code> BBCode tag and automatic/magic URLs are disabled.',
+	'ALLOWED_SCHEMES_LINKS'				=> 'Allowed schemes in links',
+	'ALLOWED_SCHEMES_LINKS_EXPLAIN'		=> 'Users can only post schemeless URLs or one of the comma-separated list of allowed schemes.',
 	'ALLOW_POST_FLASH'					=> 'Allow use of <code>[FLASH]</code> BBCode tag in posts',
 	'ALLOW_POST_FLASH_EXPLAIN'			=> 'If disallowed the <code>[FLASH]</code> BBCode tag is disabled in posts. Otherwise the permission system controls which users can use the <code>[FLASH]</code> BBCode tag.',
 
@@ -271,7 +274,7 @@ $lang = array_merge($lang, array(
 	'ACP_FEED_SETTINGS_OTHER'			=> 'Other feeds and settings',
 
 	'ACP_FEED_ENABLE'					=> 'Enable feeds',
-	'ACP_FEED_ENABLE_EXPLAIN'			=> 'Turns on or off ATOM feeds for the entire board.<br />Disabling this switches off all feeds, no matter how the options below are set.',
+	'ACP_FEED_ENABLE_EXPLAIN'			=> 'Turns on or off ATOM feeds for the entire board.<br>Disabling this switches off all feeds, no matter how the options below are set.',
 	'ACP_FEED_LIMIT'					=> 'Number of items',
 	'ACP_FEED_LIMIT_EXPLAIN'			=> 'The maximum number of feed items to display.',
 
@@ -287,7 +290,7 @@ $lang = array_merge($lang, array(
 	'ACP_FEED_TOPICS_ACTIVE'			=> 'Enable active topics feed',
 	'ACP_FEED_TOPICS_ACTIVE_EXPLAIN'	=> 'Enables the “Active Topics” feed, which displays the last active topics including the last post.',
 	'ACP_FEED_NEWS'						=> 'News feed',
-	'ACP_FEED_NEWS_EXPLAIN'				=> 'Pull the first post from these forums. Select no forums to disable news feed.<br />Select multiple forums by holding <samp>CTRL</samp> and clicking.',
+	'ACP_FEED_NEWS_EXPLAIN'				=> 'Pull the first post from these forums. Select no forums to disable news feed.<br>Select multiple forums by holding <samp>CTRL</samp> and clicking.',
 
 	'ACP_FEED_OVERALL_FORUMS'			=> 'Enable forums feed',
 	'ACP_FEED_OVERALL_FORUMS_EXPLAIN'	=> 'Enables the “All forums” feed, which displays a list of forums.',
@@ -295,9 +298,9 @@ $lang = array_merge($lang, array(
 	'ACP_FEED_HTTP_AUTH'				=> 'Allow HTTP Authentication',
 	'ACP_FEED_HTTP_AUTH_EXPLAIN'		=> 'Enables HTTP authentication, which allows users to receive content that is hidden to guest users by adding the <samp>auth=http</samp> parameter to the feed URL. Please note that some PHP setups require additional changes to the .htaccess file. Instructions can be found in that file.',
 	'ACP_FEED_ITEM_STATISTICS'			=> 'Item statistics',
-	'ACP_FEED_ITEM_STATISTICS_EXPLAIN'	=> 'Display individual statistics underneath feed items<br />(e.g. posted by, date and time, replies, views)',
+	'ACP_FEED_ITEM_STATISTICS_EXPLAIN'	=> 'Display individual statistics underneath feed items<br>(e.g. posted by, date and time, replies, views)',
 	'ACP_FEED_EXCLUDE_ID'				=> 'Exclude these forums',
-	'ACP_FEED_EXCLUDE_ID_EXPLAIN'		=> 'Content from these will be <strong>not included in feeds</strong>. Select no forum to pull data from all forums.<br />Select/Deselect multiple forums by holding <samp>CTRL</samp> and clicking.',
+	'ACP_FEED_EXCLUDE_ID_EXPLAIN'		=> 'Content from these will be <strong>not included in feeds</strong>. Select no forum to pull data from all forums.<br>Select/Deselect multiple forums by holding <samp>CTRL</samp> and clicking.',
 ));
 
 // Visual Confirmation Settings
@@ -345,11 +348,16 @@ $lang = array_merge($lang, array(
 
 // Cookie Settings
 $lang = array_merge($lang, array(
-	'ACP_COOKIE_SETTINGS_EXPLAIN'		=> 'These details define the data used to send cookies to your users browsers. In most cases the default values for the cookie settings should be sufficient. If you do need to change any do so with care, incorrect settings can prevent users logging in.',
+	'ACP_COOKIE_SETTINGS_EXPLAIN'		=> 'These details define the data used to send cookies to your users browsers. In most cases the default values for the cookie settings should be sufficient. If you do need to change any do so with care, incorrect settings can prevent users logging in. If you have problems with users staying logging in to your board, visit the <strong><a href="https://www.phpbb.com/support/go/cookie-settings">phpBB.com Knowledge Base - Fixing incorrect cookie settings</a></strong>.',
 
 	'COOKIE_DOMAIN'				=> 'Cookie domain',
+	'COOKIE_DOMAIN_EXPLAIN'		=> 'In most cases the cookie domain is optional. Leave it blank if you are unsure.<br><br> In the case where you have a board integrated with other software or have multiple domains, then to determine the cookie domain you need to do the following. If you have something like <i>example.com</i> and <i>forums.example.com</i>, or perhaps <i>forums.example.com</i> and <i>blog.example.com</i>. Remove the subdomains until you find the common domain, <i>example.com</i>. Now add a dot in front of the common domain and you would enter .example.com (note the dot at the beginning).',
 	'COOKIE_NAME'				=> 'Cookie name',
+	'COOKIE_NAME_EXPLAIN'		=> 'This can be anything what you want, make it original. Whenever the cookie settings are changed the name of the cookie should be changed.',
+	'COOKIE_NOTICE'				=> 'Cookie notice',
+	'COOKIE_NOTICE_EXPLAIN'		=> 'If enabled a cookie notice will be displayed to users when visiting your board. This might be required by law depending on the content of your board and enabled extensions.',
 	'COOKIE_PATH'				=> 'Cookie path',
+	'COOKIE_PATH_EXPLAIN'		=> 'This will usually be the same as your script path or simply a slash to make the cookie accessible across the site domain.',
 	'COOKIE_SECURE'				=> 'Cookie secure',
 	'COOKIE_SECURE_EXPLAIN'		=> 'If your server is running via SSL set this to enabled else leave as disabled. Having this enabled and not running via SSL will result in server errors during redirects.',
 	'ONLINE_LENGTH'				=> 'View online time span',
@@ -363,7 +371,7 @@ $lang = array_merge($lang, array(
 	'ACP_CONTACT_SETTINGS_EXPLAIN'		=> 'Here you can enable and disable the contact page and also add a text that is displayed on the page.',
 
 	'CONTACT_US_ENABLE'				=> 'Enable contact page',
-	'CONTACT_US_ENABLE_EXPLAIN'		=> 'This page allows users to send emails to board administrators',
+	'CONTACT_US_ENABLE_EXPLAIN'		=> 'This page allows users to send emails to board administrators. Please note that board-wide emails option must be enabled as well. You can find this option in General > Client Communication > Email settings.',
 
 	'CONTACT_US_INFO'				=> 'Contact information',
 	'CONTACT_US_INFO_EXPLAIN'		=> 'The message is displayed on the contact page',
@@ -390,10 +398,14 @@ $lang = array_merge($lang, array(
 	'LOAD_CPF_VIEWTOPIC'			=> 'Display custom profile fields on topic pages',
 	'LOAD_USER_ACTIVITY'			=> 'Show user’s activity',
 	'LOAD_USER_ACTIVITY_EXPLAIN'	=> 'Displays active topic/forum in user profiles and user control panel. It is recommended to disable this on boards with more than one million posts.',
+	'LOAD_USER_ACTIVITY_LIMIT'		=> 'User’s activity post limit',
+	'LOAD_USER_ACTIVITY_LIMIT_EXPLAIN'	=> 'The active topic/forum won’t be shown for users having more than this number of posts. Set to 0 to disable the limit.',
 	'READ_NOTIFICATION_EXPIRE_DAYS'	=> 'Read Notification Expiration',
 	'READ_NOTIFICATION_EXPIRE_DAYS_EXPLAIN' => 'Number of days that will elapse before a read notification will automatically be deleted. Set this value to 0 to make notifications permanent.',
 	'RECOMPILE_STYLES'				=> 'Recompile stale style components',
 	'RECOMPILE_STYLES_EXPLAIN'		=> 'Check for updated style components on filesystem and recompile.',
+	'YES_ACCURATE_PM_BUTTON'			=> 'Enable permission specific PM button in topic pages',
+	'YES_ACCURATE_PM_BUTTON_EXPLAIN'	=> 'If this setting is enabled, only post profiles of users who are permitted to read private messages will have a private message button.',
 	'YES_ANON_READ_MARKING'			=> 'Enable topic marking for guests',
 	'YES_ANON_READ_MARKING_EXPLAIN'	=> 'Stores read/unread status information for guests. If disabled, posts are always marked read for guests.',
 	'YES_BIRTHDAYS'					=> 'Enable birthday listing',
@@ -420,7 +432,7 @@ $lang = array_merge($lang, array(
 	'AUTH_METHOD'				=> 'Select an authentication method',
 
 	'AUTH_PROVIDER_OAUTH_ERROR_ELEMENT_MISSING'	=> 'Both the key and secret of each enabled OAuth service provider must be provided. Only one was provided for an OAuth service provider.',
-	'AUTH_PROVIDER_OAUTH_EXPLAIN'				=> 'Each OAuth provider requires a unique secret and key in order to authenticate with the external server. These should be supplied by the OAuth service when you register your website with them and should be entered exactly as provided to you.<br />Any service that does not have both a key and a secret entered here will not be available for use by the forum users. Also note, that user can still register and login using the DB authentication plug-in.',
+	'AUTH_PROVIDER_OAUTH_EXPLAIN'				=> 'Each OAuth provider requires a unique secret and key in order to authenticate with the external server. These should be supplied by the OAuth service when you register your website with them and should be entered exactly as provided to you.<br>Any service that does not have both a key and a secret entered here will not be available for use by the forum users. Also note, that user can still register and login using the DB authentication plug-in.',
 	'AUTH_PROVIDER_OAUTH_KEY'					=> 'Key',
 	'AUTH_PROVIDER_OAUTH_TITLE'					=> 'OAuth',
 	'AUTH_PROVIDER_OAUTH_SECRET'				=> 'Secret',
@@ -436,7 +448,7 @@ $lang = array_merge($lang, array(
 	'LDAP_NO_EMAIL'					=> 'The specified email attribute does not exist.',
 	'LDAP_NO_IDENTITY'				=> 'Could not find a login identity for %s.',
 	'LDAP_PASSWORD'					=> 'LDAP password',
-	'LDAP_PASSWORD_EXPLAIN'			=> 'Leave blank to use anonymous binding, otherwise fill in the password for the above user. Required for Active Directory Servers.<br /><em><strong>Warning:</strong> This password will be stored as plain text in the database, visible to everybody who can access your database or who can view this configuration page.</em>',
+	'LDAP_PASSWORD_EXPLAIN'			=> 'Leave blank to use anonymous binding, otherwise fill in the password for the above user. Required for Active Directory Servers.<br><em><strong>Warning:</strong> This password will be stored as plain text in the database, visible to everybody who can access your database or who can view this configuration page.</em>',
 	'LDAP_PORT'						=> 'LDAP server port',
 	'LDAP_PORT_EXPLAIN'				=> 'Optionally you can specify a port which should be used to connect to the LDAP server instead of the default port 389.',
 	'LDAP_SERVER'					=> 'LDAP server name',
@@ -517,7 +529,7 @@ $lang = array_merge($lang, array(
 	'IP_LOGIN_LIMIT_TIME'			=> 'IP address login attempt expiration time',
 	'IP_LOGIN_LIMIT_TIME_EXPLAIN'	=> 'Login attempts expire after this period.',
 	'IP_LOGIN_LIMIT_USE_FORWARDED'	=> 'Limit login attempts by <var>X_FORWARDED_FOR</var> header',
-	'IP_LOGIN_LIMIT_USE_FORWARDED_EXPLAIN'	=> 'Instead of limiting login attempts by IP address they are limited by <var>X_FORWARDED_FOR</var> values. <br /><em><strong>Warning:</strong> Only enable this if you are operating a proxy server that sets <var>X_FORWARDED_FOR</var> to trustworthy values.</em>',
+	'IP_LOGIN_LIMIT_USE_FORWARDED_EXPLAIN'	=> 'Instead of limiting login attempts by IP address they are limited by <var>X_FORWARDED_FOR</var> values. <br><em><strong>Warning:</strong> Only enable this if you are operating a proxy server that sets <var>X_FORWARDED_FOR</var> to trustworthy values.</em>',
 	'MAX_LOGIN_ATTEMPTS'			=> 'Maximum number of login attempts per username',
 	'MAX_LOGIN_ATTEMPTS_EXPLAIN'	=> 'The number of login attempts allowed for a single account before the anti-spambot task is triggered. Enter 0 to prevent the anti-spambot task from being triggered for distinct user accounts.',
 	'NO_IP_VALIDATION'				=> 'None',
@@ -534,14 +546,16 @@ $lang = array_merge($lang, array(
 	'REFERRER_VALID_EXPLAIN'		=> 'If enabled, the referrer of POST requests will be checked against the host/script path settings. This may cause issues with boards using several domains and or external logins.',
 	'TPL_ALLOW_PHP'					=> 'Allow php in templates',
 	'TPL_ALLOW_PHP_EXPLAIN'			=> 'If this option is enabled, <code>PHP</code> and <code>INCLUDEPHP</code> statements will be recognised and parsed in templates.',
+	'UPLOAD_CERT_VALID'				=> 'Validate upload certificate',
+	'UPLOAD_CERT_VALID_EXPLAIN'		=> 'If enabled, certificates of remote uploads will be validated. This requires the CA bundle to be defined by the <samp>openssl.cafile</samp> or <samp>curl.cainfo</samp> setting in your php.ini.',
 ));
 
 // Email Settings
 $lang = array_merge($lang, array(
 	'ACP_EMAIL_SETTINGS_EXPLAIN'	=> 'This information is used when the board sends emails to your users. Please ensure the email address you specify is valid, any bounced or undeliverable messages will likely be sent to that address. If your host does not provide a native (PHP based) email service you can instead send messages directly using SMTP. This requires the address of an appropriate server (ask your provider if necessary). If the server requires authentication (and only if it does) enter the necessary username, password and authentication method.',
 
-	'ADMIN_EMAIL'					=> 'Return email address',
-	'ADMIN_EMAIL_EXPLAIN'			=> 'This will be used as the return address on all emails, the technical contact email address. It will always be used as the <samp>Return-Path</samp> and <samp>Sender</samp> address in emails.',
+	'ADMIN_EMAIL'					=> 'From email address',
+	'ADMIN_EMAIL_EXPLAIN'			=> 'This will be used as the from address on all emails, the technical contact email address. It will always be used as the <samp>Sender</samp> address in emails.',
 	'BOARD_EMAIL_FORM'				=> 'Users send email via board',
 	'BOARD_EMAIL_FORM_EXPLAIN'		=> 'Instead of showing the users email address users are able to send emails via the board.',
 	'BOARD_HIDE_EMAILS'				=> 'Hide email addresses',
@@ -550,29 +564,40 @@ $lang = array_merge($lang, array(
 	'CONTACT_EMAIL_EXPLAIN'			=> 'This address will be used whenever a specific contact point is needed, e.g. spam, error output, etc. It will always be used as the <samp>From</samp> and <samp>Reply-To</samp> address in emails.',
 	'CONTACT_EMAIL_NAME'			=> 'Contact name',
 	'CONTACT_EMAIL_NAME_EXPLAIN'	=> 'This is the contact name that e-mail recipients will see. If you don’t want to have a contact name, leave this field empty.',
-	'EMAIL_FUNCTION_NAME'			=> 'Email function name',
-	'EMAIL_FUNCTION_NAME_EXPLAIN'	=> 'The email function used to send mails through PHP.',
+	'EMAIL_FORCE_SENDER'			=> 'Force from email address',
+	'EMAIL_FORCE_SENDER_EXPLAIN'	=> 'This will set the <samp>Return-Path</samp> to the from email address instead of using the local user and hostname of the server. This setting does not apply when using SMTP.<br><em><strong>Warning:</strong> Requires the user that the webserver runs as to be added as trusted user to the sendmail configuration.</em>',
 	'EMAIL_PACKAGE_SIZE'			=> 'Email package size',
 	'EMAIL_PACKAGE_SIZE_EXPLAIN'	=> 'This is the number of maximum emails sent out in one package. This setting is applied to the internal message queue; set this value to 0 if you have problems with non-delivered notification emails.',
 	'EMAIL_SIG'						=> 'Email signature',
 	'EMAIL_SIG_EXPLAIN'				=> 'This text will be attached to all emails the board sends.',
 	'ENABLE_EMAIL'					=> 'Enable board-wide emails',
 	'ENABLE_EMAIL_EXPLAIN'			=> 'If this is set to disabled no emails will be sent by the board at all. <em>Note the user and admin account activation settings require this setting to be enabled. If currently using “user” or “admin” activation in the activation settings, disabling this setting will disable registration.</em>',
+	'SEND_TEST_EMAIL'				=> 'Send a test email',
+	'SEND_TEST_EMAIL_EXPLAIN'		=> 'This will send a test email to the address defined in your account.',
+	'SMTP_ALLOW_SELF_SIGNED'		=> 'Allow self-signed SSL certificates',
+	'SMTP_ALLOW_SELF_SIGNED_EXPLAIN'=> 'Allow connections to SMTP server with self-signed SSL certificate. <br><em><strong>Warning:</strong> Allowing self-signed SSL certificates may cause security implications.</em>',
 	'SMTP_AUTH_METHOD'				=> 'Authentication method for SMTP',
 	'SMTP_AUTH_METHOD_EXPLAIN'		=> 'Only used if a username/password is set, ask your provider if you are unsure which method to use.',
 	'SMTP_CRAM_MD5'					=> 'CRAM-MD5',
 	'SMTP_DIGEST_MD5'				=> 'DIGEST-MD5',
 	'SMTP_LOGIN'					=> 'LOGIN',
 	'SMTP_PASSWORD'					=> 'SMTP password',
-	'SMTP_PASSWORD_EXPLAIN'			=> 'Only enter a password if your SMTP server requires it.<br /><em><strong>Warning:</strong> This password will be stored as plain text in the database, visible to everybody who can access your database or who can view this configuration page.</em>',
+	'SMTP_PASSWORD_EXPLAIN'			=> 'Only enter a password if your SMTP server requires it.<br><em><strong>Warning:</strong> This password will be stored as plain text in the database, visible to everybody who can access your database or who can view this configuration page.</em>',
 	'SMTP_PLAIN'					=> 'PLAIN',
 	'SMTP_POP_BEFORE_SMTP'			=> 'POP-BEFORE-SMTP',
 	'SMTP_PORT'						=> 'SMTP server port',
 	'SMTP_PORT_EXPLAIN'				=> 'Only change this if you know your SMTP server is on a different port.',
-	'SMTP_SERVER'					=> 'SMTP server address',
+	'SMTP_SERVER'					=> 'SMTP server address and protocol',
+	'SMTP_SERVER_EXPLAIN'			=> 'Note that you have to provide the protocol that your server uses. If you are using SSL, this has to be "ssl://your.mailserver.com"',
 	'SMTP_SETTINGS'					=> 'SMTP settings',
 	'SMTP_USERNAME'					=> 'SMTP username',
 	'SMTP_USERNAME_EXPLAIN'			=> 'Only enter a username if your SMTP server requires it.',
+	'SMTP_VERIFY_PEER'				=> 'Verify SSL certificate',
+	'SMTP_VERIFY_PEER_EXPLAIN'		=> 'Require verification of SSL certificate used by SMTP server. <br><em><strong>Warning:</strong> Connecting peers with unverified SSL certificates may cause security implications.</em>',
+	'SMTP_VERIFY_PEER_NAME'			=> 'Verify SMTP peer name',
+	'SMTP_VERIFY_PEER_NAME_EXPLAIN'	=> 'Require verification of peer name for SMTP servers using SSL / TLS connections. <br><em><strong>Warning:</strong> Connecting to unverified peers may cause security implications.</em>',
+	'TEST_EMAIL_SENT'				=> 'The test email has been sent.<br>If you don’t receive it, please check your emails configuration.<br><br>If you require assistance, please visit the <a href="https://www.phpbb.com/community/">phpBB support forums</a>.',
+
 	'USE_SMTP'						=> 'Use SMTP server for email',
 	'USE_SMTP_EXPLAIN'				=> 'Select “Yes” if you want or have to send email via a named server instead of the local mail function.',
 ));
@@ -581,20 +606,26 @@ $lang = array_merge($lang, array(
 $lang = array_merge($lang, array(
 	'ACP_JABBER_SETTINGS_EXPLAIN'	=> 'Here you can enable and control the use of Jabber for instant messaging and board notifications. Jabber is an open source protocol and therefore available for use by anyone. Some Jabber servers include gateways or transports which allow you to contact users on other networks. Not all servers offer all transports and changes in protocols can prevent transports from operating. Please be sure to enter already registered account details - phpBB will use the details you enter here as is.',
 
-	'JAB_ENABLE'				=> 'Enable Jabber',
-	'JAB_ENABLE_EXPLAIN'		=> 'Enables use of Jabber messaging and notifications.',
-	'JAB_GTALK_NOTE'			=> 'Please note that GTalk will not work because the <samp>dns_get_record</samp> function could not be found. This function is not available in PHP4, and is not implemented on Windows platforms. It currently does not work on BSD-based systems, including Mac OS.',
-	'JAB_PACKAGE_SIZE'			=> 'Jabber package size',
-	'JAB_PACKAGE_SIZE_EXPLAIN'	=> 'This is the number of messages sent in one package. If set to 0 the message is sent immediately and will not be queued for later sending.',
-	'JAB_PASSWORD'				=> 'Jabber password',
-	'JAB_PASSWORD_EXPLAIN'		=> '<em><strong>Warning:</strong> This password will be stored as plain text in the database, visible to everybody who can access your database or who can view this configuration page.</em>',
-	'JAB_PORT'					=> 'Jabber port',
-	'JAB_PORT_EXPLAIN'			=> 'Leave blank unless you know it is not port 5222.',
-	'JAB_SERVER'				=> 'Jabber server',
-	'JAB_SERVER_EXPLAIN'		=> 'See %sjabber.org%s for a list of servers.',
-	'JAB_SETTINGS_CHANGED'		=> 'Jabber settings changed successfully.',
-	'JAB_USE_SSL'				=> 'Use SSL to connect',
-	'JAB_USE_SSL_EXPLAIN'		=> 'If enabled a secure connection is tried to be established. The Jabber port will be modified to 5223 if port 5222 is specified.',
-	'JAB_USERNAME'				=> 'Jabber username or JID',
-	'JAB_USERNAME_EXPLAIN'		=> 'Specify a registered username or a valid JID. The username will not be checked for validity. If you only specify a username, then your JID will be the username and the server you specified above. Else, specify a valid JID, for example user@jabber.org.',
+	'JAB_ALLOW_SELF_SIGNED'			=> 'Allow self-signed SSL certificates',
+	'JAB_ALLOW_SELF_SIGNED_EXPLAIN'	=> 'Allow connections to Jabber server with self-signed SSL certificate. <br><em><strong>Warning:</strong> Allowing self-signed SSL certificates may cause security implications.</em>',
+	'JAB_ENABLE'					=> 'Enable Jabber',
+	'JAB_ENABLE_EXPLAIN'			=> 'Enables use of Jabber messaging and notifications.',
+	'JAB_GTALK_NOTE'				=> 'Please note that GTalk will not work because the <samp>dns_get_record</samp> function could not be found. This function is not available in PHP4, and is not implemented on Windows platforms. It currently does not work on BSD-based systems, including Mac OS.',
+	'JAB_PACKAGE_SIZE'				=> 'Jabber package size',
+	'JAB_PACKAGE_SIZE_EXPLAIN'		=> 'This is the number of messages sent in one package. If set to 0 the message is sent immediately and will not be queued for later sending.',
+	'JAB_PASSWORD'					=> 'Jabber password',
+	'JAB_PASSWORD_EXPLAIN'			=> '<em><strong>Warning:</strong> This password will be stored as plain text in the database, visible to everybody who can access your database or who can view this configuration page.</em>',
+	'JAB_PORT'						=> 'Jabber port',
+	'JAB_PORT_EXPLAIN'				=> 'Leave blank unless you know it is not port 5222.',
+	'JAB_SERVER'					=> 'Jabber server',
+	'JAB_SERVER_EXPLAIN'			=> 'See %sjabber.org%s for a list of servers.',
+	'JAB_SETTINGS_CHANGED'			=> 'Jabber settings changed successfully.',
+	'JAB_USE_SSL'					=> 'Use SSL to connect',
+	'JAB_USE_SSL_EXPLAIN'			=> 'If enabled a secure connection is tried to be established. The Jabber port will be modified to 5223 if port 5222 is specified.',
+	'JAB_USERNAME'					=> 'Jabber username or JID',
+	'JAB_USERNAME_EXPLAIN'			=> 'Specify a registered username or a valid JID. The username will not be checked for validity. If you only specify a username, then your JID will be the username and the server you specified above. Else, specify a valid JID, for example user@jabber.org.',
+	'JAB_VERIFY_PEER'				=> 'Verify SSL certificate',
+	'JAB_VERIFY_PEER_EXPLAIN'		=> 'Require verification of SSL certificate used by Jabber server. <br><em><strong>Warning:</strong> Connecting peers with unverified SSL certificates may cause security implications.</em>',
+	'JAB_VERIFY_PEER_NAME'			=> 'Verify Jabber peer name',
+	'JAB_VERIFY_PEER_NAME_EXPLAIN'	=> 'Require verification of peer name for Jabber servers using SSL / TLS connections. <br><em><strong>Warning:</strong> Connecting to unverified peers may cause security implications.</em>',
 ));
diff --git a/phpBB/language/en/acp/common.php b/phpBB/language/en/acp/common.php
index fdbc4aebd0..0d5f6fee25 100644
--- a/phpBB/language/en/acp/common.php
+++ b/phpBB/language/en/acp/common.php
@@ -108,6 +108,8 @@ $lang = array_merge($lang, array(
 	'ACP_GROUPS_PERMISSIONS'		=> 'Group permissions',
 	'ACP_GROUPS_POSITION'			=> 'Manage group positions',
 
+	'ACP_HELP_PHPBB'			=> 'Help support phpBB',
+
 	'ACP_ICONS'					=> 'Topic icons',
 	'ACP_ICONS_SMILIES'			=> 'Topic icons/smilies',
 	'ACP_INACTIVE_USERS'		=> 'Inactive users',
@@ -167,7 +169,6 @@ $lang = array_merge($lang, array(
 	'ACP_SEARCH_SETTINGS'		=> 'Search settings',
 
 	'ACP_SECURITY_SETTINGS'		=> 'Security settings',
-	'ACP_SEND_STATISTICS'		=> 'Send statistical information',
 	'ACP_SERVER_CONFIGURATION'	=> 'Server configuration',
 	'ACP_SERVER_SETTINGS'		=> 'Server settings',
 	'ACP_SIGNATURE_SETTINGS'	=> 'Signature settings',
@@ -225,12 +226,26 @@ $lang = array_merge($lang, array(
 
 	'BACK'					=> 'Back',
 
+	'CANNOT_CHANGE_FILE_GROUP'	=> 'Unable to change file group',
+	'CANNOT_CHANGE_FILE_PERMISSIONS'	=> 'Unable to change file permissions',
+	'CANNOT_COPY_FILES'		=> 'Unable to copy files',
+	'CANNOT_CREATE_SYMLINK'	=> 'Unable to create a symlink',
+	'CANNOT_DELETE_FILES'	=> 'Unable to delete files from the system',
+	'CANNOT_DUMP_FILE'		=> 'Unable to dump file',
+	'CANNOT_MIRROR_DIRECTORY'	=> 'Unable to mirror directory',
+	'CANNOT_RENAME_FILE'	=> 'Unable to rename a file from the system',
+	'CANNOT_TOUCH_FILES'	=> 'Unable to determine if the file exists',
+
+	'CONTAINER_EXCEPTION' => 'phpBB encountered an error building the container due to an installed extension. For this reason, all extensions have been temporarily disabled. Please try purging your forum cache. All extensions will automatically be re-enabled once the container error is resolved. If this error continues, please visit <a href="https://www.phpbb.com/support">phpBB.com</a> for support.',
+	'EXCEPTION' => 'Exception',
+
 	'COLOUR_SWATCH'			=> 'Web-safe colour swatch',
 	'CONFIG_UPDATED'		=> 'Configuration updated successfully.',
 	'CRON_LOCK_ERROR'		=> 'Could not obtain cron lock.',
 	'CRON_NO_SUCH_TASK'		=> 'Could not find cron task “%s”.',
 	'CRON_NO_TASK'			=> 'No cron tasks need to be run right now.',
 	'CRON_NO_TASKS'			=> 'No cron tasks could be found.',
+	'CURRENT_VERSION'		=> 'Current version',
 
 	'DEACTIVATE'				=> 'Deactivate',
 	'DIRECTORY_DOES_NOT_EXIST'	=> 'The entered path “%s” does not exist.',
@@ -256,6 +271,7 @@ $lang = array_merge($lang, array(
 	'IP'					=> 'User IP',
 	'IP_HOSTNAME'			=> 'IP addresses or hostnames',
 
+	'LATEST_VERSION'		=> 'Latest version',
 	'LOAD_NOTIFICATIONS'			=> 'Display Notifications',
 	'LOAD_NOTIFICATIONS_EXPLAIN'	=> 'Display the notifications list on every page (typically in the header).',
 	'LOGGED_IN_AS'			=> 'You are logged in as:',
@@ -288,7 +304,9 @@ $lang = array_merge($lang, array(
 	'PERMISSIONS_TRANSFERRED_EXPLAIN'	=> 'You currently have the permissions from %1$s. You are able to browse the board with this user’s permissions, but not access the administration control panel since admin permissions were not transferred. You can <a href="%2$s"><strong>revert to your permission set</strong></a> at any time.',
 	'PROCEED_TO_ACP'					=> '%sProceed to the ACP%s',
 
+	'RELEASE_ANNOUNCEMENT'		=> 'Announcement',
 	'REMIND'							=> 'Remind',
+	'REPARSE_LOCK_ERROR'				=> 'Reparsing is already in progress by another process.',
 	'RESYNC'							=> 'Resynchronise',
 
 	'RUNNING_TASK'			=> 'Running task: %s.',
@@ -310,6 +328,10 @@ $lang = array_merge($lang, array(
 	'USERNAMES_EXPLAIN'		=> 'Place each username on a separate line.',
 	'USER_CONTROL_PANEL'	=> 'User Control Panel',
 
+	'UPDATE_NEEDED'			=> 'The board is not up to date.',
+	'UPDATE_NOT_NEEDED'		=> 'The board is up to date.',
+	'UPDATES_AVAILABLE'		=> 'Updates available:',
+
 	'WARNING'				=> 'Warning',
 ));
 
@@ -373,7 +395,8 @@ $lang = array_merge($lang, array(
 	'NUMBER_USERS'		=> 'Number of users',
 	'NUMBER_ORPHAN'		=> 'Orphan attachments',
 
-	'PHP_VERSION_OLD'	=> 'The version of PHP on this server will no longer be supported by future versions of phpBB. %sDetails%s',
+	'PHP_VERSION'		=> 'PHP version',
+	'PHP_VERSION_OLD'	=> 'The version of PHP on this server (%1$s) will no longer be supported by future versions of phpBB. The minimum required version will be PHP %2$s. %3$sDetails%4$s',
 
 	'POSTS_PER_DAY'		=> 'Posts per day',
 
@@ -417,11 +440,19 @@ $lang = array_merge($lang, array(
 	'UPLOAD_DIR_SIZE'	=> 'Size of posted attachments',
 	'USERS_PER_DAY'		=> 'Users per day',
 
-	'VALUE'						=> 'Value',
-	'VERSIONCHECK_FAIL'			=> 'Failed to obtain latest version information.',
-	'VERSIONCHECK_FORCE_UPDATE'	=> 'Re-Check version',
-	'VIEW_ADMIN_LOG'			=> 'View administrator log',
-	'VIEW_INACTIVE_USERS'		=> 'View inactive users',
+	'VALUE'							=> 'Value',
+	'VERSIONCHECK_FAIL'				=> 'Failed to obtain latest version information.',
+	'VERSIONCHECK_FORCE_UPDATE'		=> 'Re-Check version',
+	'VERSION_CHECK'					=> 'Version check',
+	'VERSION_CHECK_EXPLAIN'			=> 'Checks to see if your phpBB installation is up to date.',
+	'VERSIONCHECK_INVALID_ENTRY'	=> 'Latest version information contains an unsupported entry.',
+	'VERSIONCHECK_INVALID_URL'		=> 'Latest version information contains invalid URL.',
+	'VERSIONCHECK_INVALID_VERSION'	=> 'Latest version information contains an invalid version.',
+	'VERSION_NOT_UP_TO_DATE_ACP'	=> 'Your phpBB installation is not up to date.<br />Below is a link to the release announcement, which contains more information as well as instructions on updating.',
+	'VERSION_NOT_UP_TO_DATE_TITLE'	=> 'Your phpBB installation is not up to date.',
+	'VERSION_UP_TO_DATE_ACP'		=> 'Your phpBB installation is up to date. There are no updates available at this time.',
+	'VIEW_ADMIN_LOG'				=> 'View administrator log',
+	'VIEW_INACTIVE_USERS'			=> 'View inactive users',
 
 	'WELCOME_PHPBB'			=> 'Welcome to phpBB',
 	'WRITABLE_CONFIG'		=> 'Your config file (config.php) is currently world-writable. We strongly encourage you to change the permissions to 640 or at least to 644 (for example: <a href="http://en.wikipedia.org/wiki/Chmod" rel="external">chmod</a> 640 config.php).',
@@ -452,16 +483,18 @@ $lang = array_merge($lang, array(
 	'USER_IS_INACTIVE'		=> 'User is inactive',
 ));
 
-// Send statistics page
+// Help support phpBB page
 $lang = array_merge($lang, array(
 	'EXPLAIN_SEND_STATISTICS'	=> 'Please send information about your server and board configurations to phpBB for statistical analysis. All information that could identify you or your website has been removed - the data is entirely <strong>anonymous</strong>. We base decisions about future phpBB versions on this information. The statistics are made available publically. We also share this data with the PHP project, the programming language phpBB is made with.',
 	'EXPLAIN_SHOW_STATISTICS'	=> 'Using the button below you can preview all variables that will be transmitted.',
 	'DONT_SEND_STATISTICS'		=> 'Return to the ACP if you do not wish to send statistical information to phpBB.',
 	'GO_ACP_MAIN'				=> 'Go to the ACP start page',
 	'HIDE_STATISTICS'			=> 'Hide details',
-	'SEND_STATISTICS'			=> 'Send statistical information',
+	'SEND_STATISTICS'			=> 'Send statistics',
+	'SEND_STATISTICS_LONG'		=> 'Send statistical information',
 	'SHOW_STATISTICS'			=> 'Show details',
 	'THANKS_SEND_STATISTICS'	=> 'Thank you for submitting your information.',
+	'FAIL_SEND_STATISTICS'		=> 'phpBB was unable to send statistics',
 ));
 
 // Log Entries
@@ -519,6 +552,7 @@ $lang = array_merge($lang, array(
 	'LOG_BBCODE_ADD'		=> '<strong>Added new BBCode</strong><br />» %s',
 	'LOG_BBCODE_EDIT'		=> '<strong>Edited BBCode</strong><br />» %s',
 	'LOG_BBCODE_DELETE'		=> '<strong>Deleted BBCode</strong><br />» %s',
+	'LOG_BBCODE_CONFIGURATION_ERROR'	=> '<strong>Error while configuring BBCode</strong>: %1$s<br />» %2$s',
 
 	'LOG_BOT_ADDED'		=> '<strong>New bot added</strong><br />» %s',
 	'LOG_BOT_DELETE'	=> '<strong>Deleted bot</strong><br />» %s',
@@ -594,6 +628,7 @@ $lang = array_merge($lang, array(
 
 	'LOG_ERROR_JABBER'		=> '<strong>Jabber error</strong><br />» %s',
 	'LOG_ERROR_EMAIL'		=> '<strong>Email error</strong><br />» %s',
+	'LOG_ERROR_CAPTCHA'		=> '<strong>CAPTCHA error</strong><br />» %s',
 
 	'LOG_FORUM_ADD'							=> '<strong>Created new forum</strong><br />» %s',
 	'LOG_FORUM_COPIED_PERMISSIONS'			=> '<strong>Copied forum permissions</strong> from %1$s<br />» %2$s',
@@ -793,4 +828,5 @@ $lang = array_merge($lang, array(
 	'LOG_EXT_ENABLE'	=> '<strong>Extension enabled</strong><br />» %s',
 	'LOG_EXT_DISABLE'	=> '<strong>Extension disabled</strong><br />» %s',
 	'LOG_EXT_PURGE'		=> '<strong>Extension’s data deleted</strong><br />» %s',
+	'LOG_EXT_UPDATE'	=> '<strong>Extension updated</strong><br />» %s',
 ));
diff --git a/phpBB/language/en/acp/extensions.php b/phpBB/language/en/acp/extensions.php
index 28cdc8829d..a96a7a2a2b 100644
--- a/phpBB/language/en/acp/extensions.php
+++ b/phpBB/language/en/acp/extensions.php
@@ -43,6 +43,7 @@ $lang = array_merge($lang, array(
 	'EXTENSION_NOT_AVAILABLE'	=> 'The selected extension is not available for this board, please verify your phpBB and PHP versions are allowed (see the details page).',
 	'EXTENSION_DIR_INVALID'		=> 'The selected extension has an invalid directory structure and cannot be enabled.',
 	'EXTENSION_NOT_ENABLEABLE'	=> 'The selected extension cannot be enabled, please verify the extension’s requirements.',
+	'EXTENSION_NOT_INSTALLED'	=> 'The extension %s is not available. Please check that you have installed it correctly.',
 
 	'DETAILS'				=> 'Details',
 
@@ -68,6 +69,12 @@ $lang = array_merge($lang, array(
 	'EXTENSION_NAME'			=> 'Extension Name',
 	'EXTENSION_ACTIONS'			=> 'Actions',
 	'EXTENSION_OPTIONS'			=> 'Options',
+	'EXTENSION_INSTALL_HEADLINE'=> 'Installing an extension',
+	'EXTENSION_INSTALL_EXPLAIN'	=> '<ol>
+			<li>Download an extension from phpBB’s extensions database</li>
+			<li>Unzip the extension and upload it to the <samp>ext/</samp> directory of your phpBB board</li>
+			<li>Enable the extension, here in the Extensions manager</li>
+		</ol>',
 	'EXTENSION_UPDATE_HEADLINE'	=> 'Updating an extension',
 	'EXTENSION_UPDATE_EXPLAIN'	=> '<ol>
 			<li>Disable the extension</li>
@@ -75,7 +82,7 @@ $lang = array_merge($lang, array(
 			<li>Upload the new files</li>
 			<li>Enable the extension</li>
 		</ol>',
-	'EXTENSION_REMOVE_HEADLINE'	=> 'Completly removing an extension from your board',
+	'EXTENSION_REMOVE_HEADLINE'	=> 'Completely removing an extension from your board',
 	'EXTENSION_REMOVE_EXPLAIN'	=> '<ol>
 			<li>Disable the extension</li>
 			<li>Delete the extension’s data</li>
@@ -119,6 +126,8 @@ $lang = array_merge($lang, array(
 	'FORCE_UNSTABLE'					=> 'Always check for unstable versions',
 	'EXTENSIONS_VERSION_CHECK_SETTINGS'	=> 'Version check settings',
 
+	'BROWSE_EXTENSIONS_DATABASE'		=> 'Browse extensions database',
+
 	'META_FIELD_NOT_SET'	=> 'Required meta field %s has not been set.',
 	'META_FIELD_INVALID'	=> 'Meta field %s is invalid.',
 ));
diff --git a/phpBB/language/en/acp/forums.php b/phpBB/language/en/acp/forums.php
index 541d05c255..7a7176369f 100644
--- a/phpBB/language/en/acp/forums.php
+++ b/phpBB/language/en/acp/forums.php
@@ -87,7 +87,7 @@ $lang = array_merge($lang, array(
 	'FORUM_DELETE_EXPLAIN'				=> 'The form below will allow you to delete a forum. If the forum is postable you are able to decide where you want to put all topics (or forums) it contained.',
 	'FORUM_DELETED'						=> 'Forum successfully deleted.',
 	'FORUM_DESC'						=> 'Description',
-	'FORUM_DESC_EXPLAIN'				=> 'Any HTML markup entered here will be displayed as is.',
+	'FORUM_DESC_EXPLAIN'				=> 'Any HTML markup entered here will be displayed as is. If the selected forum type is a category the description is not used.',
 	'FORUM_EDIT_EXPLAIN'				=> 'The form below will allow you to customise this forum. Please note that moderation and post count controls are set via forum permissions for each user or usergroup.',
 	'FORUM_IMAGE'						=> 'Forum image',
 	'FORUM_IMAGE_EXPLAIN'				=> 'Location, relative to the phpBB root directory, of an additional image to associate with this forum.',
diff --git a/phpBB/language/en/acp/groups.php b/phpBB/language/en/acp/groups.php
index a7700ed681..c3a5ae9e44 100644
--- a/phpBB/language/en/acp/groups.php
+++ b/phpBB/language/en/acp/groups.php
@@ -83,7 +83,7 @@ $lang = array_merge($lang, array(
 	'GROUP_MEMBERS'					=> 'Group members',
 	'GROUP_MEMBERS_EXPLAIN'			=> 'This is a complete listing of all the members of this usergroup. It includes separate sections for leaders, pending and existing members. From here you can manage all aspects of who has membership of this group and what their role is. To remove a leader but keep them in the group use Demote rather than delete. Similarly use Promote to make an existing member a leader.',
 	'GROUP_MESSAGE_LIMIT'			=> 'Group private message limit per folder',
-	'GROUP_MESSAGE_LIMIT_EXPLAIN'	=> 'This setting overrides the per-user folder message limit. A value of 0 means the user default limit will be used.',
+	'GROUP_MESSAGE_LIMIT_EXPLAIN'	=> 'This setting overrides the per-user folder message limit. The maximum for all groups of the user is used to determine the actual value.<br />Set this value to 0 to overwrite the setting for all users of this group with the board-wide setting.',
 	'GROUP_MODS_ADDED'				=> 'New group leaders added successfully.',
 	'GROUP_MODS_DEMOTED'			=> 'Group leaders demoted successfully.',
 	'GROUP_MODS_PROMOTED'			=> 'Group members promoted successfully.',
@@ -92,7 +92,7 @@ $lang = array_merge($lang, array(
 	'GROUP_OPEN'					=> 'Open',
 	'GROUP_PENDING'					=> 'Pending members',
 	'GROUP_MAX_RECIPIENTS'			=> 'Maximum number of allowed recipients per private message',
-	'GROUP_MAX_RECIPIENTS_EXPLAIN'	=> 'The maximum number of allowed recipients in a private message. If 0 is entered, the board-wide setting is used.',
+	'GROUP_MAX_RECIPIENTS_EXPLAIN'	=> 'The maximum number of allowed recipients in a private message. The maximum for all groups of the user is used to determine the actual value.<br />Set this value to 0 to overwrite the setting for all users of this group with the board-wide setting.',
 	'GROUP_OPTIONS_SAVE'			=> 'Group wide options',
 	'GROUP_PROMOTE'					=> 'Promote to group leader',
 	'GROUP_RANK'					=> 'Group rank',
@@ -130,6 +130,8 @@ $lang = array_merge($lang, array(
 	'NO_USERS_ADDED'			=> 'No users were added to the group.',
 	'NO_VALID_USERS'			=> 'You haven’t entered any users eligible for that action.',
 
+	'PENDING_MEMBERS'			=> 'Pending',
+
 	'SELECT_GROUP'				=> 'Select a group',
 	'SPECIAL_GROUPS'			=> 'Pre-defined groups',
 	'SPECIAL_GROUPS_EXPLAIN'	=> 'Pre-defined groups are special groups, they cannot be deleted or directly modified. However you can still add users and alter basic settings.',
diff --git a/phpBB/language/en/acp/language.php b/phpBB/language/en/acp/language.php
index f46e78efd4..d14491ae75 100644
--- a/phpBB/language/en/acp/language.php
+++ b/phpBB/language/en/acp/language.php
@@ -73,4 +73,6 @@ $lang = array_merge($lang, array(
 	'THOSE_MISSING_LANG_VARIABLES'		=> 'The following language variables are missing from the “%s” language pack',
 
 	'UNINSTALLED_LANGUAGE_PACKS'	=> 'Uninstalled language packs',
+
+	'BROWSE_LANGUAGE_PACKS_DATABASE'	=> 'Browse language packs database',
 ));
diff --git a/phpBB/language/en/acp/permissions_phpbb.php b/phpBB/language/en/acp/permissions_phpbb.php
index b9aeed8fcb..64740b311b 100644
--- a/phpBB/language/en/acp/permissions_phpbb.php
+++ b/phpBB/language/en/acp/permissions_phpbb.php
@@ -107,6 +107,7 @@ $lang = array_merge($lang, array(
 // Forum Permissions
 $lang = array_merge($lang, array(
 	'ACL_F_LIST'		=> 'Can see forum',
+	'ACL_F_LIST_TOPICS' => 'Can see topics',
 	'ACL_F_READ'		=> 'Can read forum',
 	'ACL_F_SEARCH'		=> 'Can search the forum',
 	'ACL_F_SUBSCRIBE'	=> 'Can subscribe forum',
@@ -120,6 +121,7 @@ $lang = array_merge($lang, array(
 	'ACL_F_POST'		=> 'Can start new topics',
 	'ACL_F_STICKY'		=> 'Can post stickies',
 	'ACL_F_ANNOUNCE'	=> 'Can post announcements',
+	'ACL_F_ANNOUNCE_GLOBAL'	=> 'Can post global announcements',
 	'ACL_F_REPLY'		=> 'Can reply to topics',
 	'ACL_F_EDIT'		=> 'Can edit own posts',
 	'ACL_F_DELETE'		=> 'Can permanently delete own posts',
@@ -155,9 +157,10 @@ $lang = array_merge($lang, array(
 	'ACL_M_SPLIT'	=> 'Can split topics',
 	'ACL_M_MERGE'	=> 'Can merge topics',
 
-	'ACL_M_INFO'	=> 'Can view post details',
-	'ACL_M_WARN'	=> 'Can issue warnings<br /><em>This setting is only assigned globally. It is not forum based.</em>', // This moderator setting is only global (and not local)
-	'ACL_M_BAN'		=> 'Can manage bans<br /><em>This setting is only assigned globally. It is not forum based.</em>', // This moderator setting is only global (and not local)
+	'ACL_M_INFO'		=> 'Can view post details',
+	'ACL_M_WARN'		=> 'Can issue warnings<br /><em>This setting is only assigned globally. It is not forum based.</em>', // This moderator setting is only global (and not local)
+	'ACL_M_PM_REPORT'	=> 'Can close and delete reports of private messages<br /><em>This setting is only assigned globally. It is not forum based.</em>', // This moderator setting is only global (and not local)
+	'ACL_M_BAN'			=> 'Can manage bans<br /><em>This setting is only assigned globally. It is not forum based.</em>', // This moderator setting is only global (and not local)
 ));
 
 // Admin Permissions
diff --git a/phpBB/language/en/acp/profile.php b/phpBB/language/en/acp/profile.php
index d365aeb183..41cbd9cb93 100644
--- a/phpBB/language/en/acp/profile.php
+++ b/phpBB/language/en/acp/profile.php
@@ -161,8 +161,8 @@ $lang = array_merge($lang, array(
 	'STEP_2_EXPLAIN_EDIT'			=> 'Here you are able to change some common options.<br /><strong>Please note that changes to profile fields will not affect existing profile fields entered by your users.</strong>',
 	'STEP_2_TITLE_CREATE'			=> 'Profile type specific options',
 	'STEP_2_TITLE_EDIT'				=> 'Profile type specific options',
-	'STEP_3_EXPLAIN_CREATE'			=> 'Since you have more than one board language installed, you have to fill out the remaining language items too. The profile field will work with the default language enabled, you are able to fill out the remaining language items later too.',
-	'STEP_3_EXPLAIN_EDIT'			=> 'Since you have more than one board language installed, you now can change or add the remaining language items too. The profile field will work with the default language enabled.',
+	'STEP_3_EXPLAIN_CREATE'			=> 'Since you have more than one board language installed, you have to fill out the remaining language items too. If you don’t, then default language setting for this custom profile field will be used, you are able to fill out the remaining language items later too.',
+	'STEP_3_EXPLAIN_EDIT'			=> 'Since you have more than one board language installed, you now can change or add the remaining language items too. If you don’t, then default language setting for this custom profile field will be used.',
 	'STEP_3_TITLE_CREATE'			=> 'Remaining language definitions',
 	'STEP_3_TITLE_EDIT'				=> 'Language definitions',
 	'STRING_DEFAULT_VALUE_EXPLAIN'	=> 'Enter a default phrase to be displayed, a default value. Leave empty if you want to show it empty at the first place.',
diff --git a/phpBB/language/en/acp/search.php b/phpBB/language/en/acp/search.php
index bda965b615..443dbb7fb7 100644
--- a/phpBB/language/en/acp/search.php
+++ b/phpBB/language/en/acp/search.php
@@ -54,7 +54,7 @@ $lang = array_merge($lang, array(
 	'DELETING_INDEX_IN_PROGRESS_EXPLAIN'	=> 'The search backend is currently cleaning its index. This can take a few minutes.',
 
 	'FULLTEXT_MYSQL_INCOMPATIBLE_DATABASE'	=> 'The MySQL fulltext backend can only be used with MySQL4 and above.',
-	'FULLTEXT_MYSQL_NOT_SUPPORTED'			=> 'MySQL fulltext indexes can only be used with MyISAM or InnoDB tables. MySQL 5.6.4 or later is required for fulltext indexes on InnoDB tables.',
+	'FULLTEXT_MYSQL_NOT_SUPPORTED'			=> 'MySQL fulltext indexes can only be used with MyISAM or InnoDB tables. MySQL 5.6.8 or later is required for fulltext indexes on InnoDB tables.',
 	'FULLTEXT_MYSQL_TOTAL_POSTS'			=> 'Total number of indexed posts',
 	'FULLTEXT_MYSQL_MIN_SEARCH_CHARS_EXPLAIN'	=> 'Words with at least this many characters will be indexed for searching. You or your host can only change this setting by changing the mysql configuration.',
 	'FULLTEXT_MYSQL_MAX_SEARCH_CHARS_EXPLAIN'	=> 'Words with no more than this many characters will be indexed for searching. You or your host can only change this setting by changing the mysql configuration.',
@@ -116,7 +116,10 @@ $lang = array_merge($lang, array(
 		2	=> 'The current rate of indexing is approximately %1$.1f posts per second.<br />Indexing in progress…',
 	),
 	'SEARCH_INDEX_DELETE_REDIRECT'			=> array(
-		2	=> 'All posts up to post id %2$d have been removed from the search index.<br />Deleting in progress…',
+		2	=> 'All posts up to post id %2$d have been removed from the search index, of which %1$d posts were within this step.<br />',
+	),
+	'SEARCH_INDEX_DELETE_REDIRECT_RATE'		=> array(
+		2	=> 'The current rate of deleting is approximately %1$.1f posts per second.<br />Deleting in progress…',
 	),
 	'SEARCH_INDEX_CREATED'					=> 'Successfully indexed all posts in the board database.',
 	'SEARCH_INDEX_REMOVED'					=> 'Successfully deleted the search index for this backend.',
diff --git a/phpBB/language/en/acp/styles.php b/phpBB/language/en/acp/styles.php
index e6b05c8282..ab85d9d2f5 100644
--- a/phpBB/language/en/acp/styles.php
+++ b/phpBB/language/en/acp/styles.php
@@ -80,7 +80,11 @@ $lang = array_merge($lang, array(
 	'STYLE_UNINSTALL'			=> 'Uninstall',
 	'STYLE_UNINSTALL_DEPENDENT'	=> 'Style "%s" cannot be uninstalled because it has one or more child styles.',
 	'STYLE_UNINSTALLED'			=> 'Style "%s" uninstalled successfully.',
+	'STYLE_PHPBB_VERSION'		=> 'phpBB Version',
 	'STYLE_USED_BY'				=> 'Used by (including robots)',
+	'STYLE_VERSION'				=> 'Style version',
 
 	'UNINSTALL_DEFAULT'		=> 'You cannot uninstall the default style.',
+
+	'BROWSE_STYLES_DATABASE'	=> 'Browse styles database',
 ));